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EP 4 437 697 A1

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(43) Date of publication: 02.10.2024 Bulletin 2024/40 (21) Application number: 21819758.0 (22) Date of filing: 23.11.2021

(51) International Patent Classification (IPC):  H04L 25/02(2006.01) H04L 27/26(2006.01) H04B 7/0413(2017.01) H04L 25/03(2006.01) H04B 17/373(2015.01) (52) Cooperative Patent Classification (CPC): H04L 25/0224; H04L 25/03343; H04L 2025/03414; H04B 7/0413; H04L 27/2623; H04B 17/373; H04L 27/261 (86) International application number: PCT/EP2021/082637 (87) International publication number: WO 2023/093973 (01.06.2023 Gazette 2023/22)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (71) Applicant: Telefonaktiebolaget LM Ericsson (publ) 164 83 Stockholm (SE)	(72) Inventors: FOZOONI, Milad 417 61 Göteborg (SE) NAMMI, Sairamesh Austin (US) (74) Representative: Ericsson  Patent Development Torshamnsgatan 21-23 164 80 Stockholm 164 80 Stockholm (SE)